﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _6.Exercise
{
    class Program
    {
        static void Main(string[] args)
        {
            string inputText = Console.ReadLine();
            StringBuilder text = new StringBuilder(20);
            for (int i = 0; i < ((inputText.Length>20)?20:inputText.Length); i++)
            {
                text.Append(inputText[i]);
            }
            for (int i = text.Length; i < text.Capacity; i++)
            {
                text.Append('*');
            }
            Console.WriteLine(text);
        }
    }
}
